condition mean min max 12pM Fe,Midday 14.7219 14.7219 14.7219 12pM Fe,Midnight 26.77435 24.2672 29.2815 58pM Fe,Midday 18.1664 18.1664 18.1664 58pM Fe,Midnight 19.187371428571428 0.0 26.2217 233pM Fe,Midnight 8.703173333333334 8.17045 9.18816 1160pM Fe,Midday 14.636228571428571 11.537 17.3984 1160pM Fe,Midnight 8.745370833333332 6.17168 10.8486 High carbon,Dark 30.965143333333334 0.63492 61.9543 High carbon,Light 13.931701307692308 0.943347 33.7482 Low carbon,Dark 36.2908 36.2908 36.2908 Phloroglucinol 1.9641466666666665 1.88268 2.04695 Silicon starvation,12h 2.56418 2.56418 2.56418